FR40998E - Lampes luminescentes à vapeur de mercure - Google Patents

Lampes luminescentes à vapeur de mercure

Info

Publication number
FR40998E
FR40998E FR40998DA FR40998E FR 40998 E FR40998 E FR 40998E FR 40998D A FR40998D A FR 40998DA FR 40998 E FR40998 E FR 40998E
Authority
FR
France
Prior art keywords
mercury vapor
luminescent lamps
vapor luminescent
lamps
mercury
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Lamp Co
Original Assignee
Westinghouse Lamp Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Lamp Co filed Critical Westinghouse Lamp Co
Application granted granted Critical
Publication of FR40998E publication Critical patent/FR40998E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
FR40998D 1930-11-21 1931-11-20 Lampes luminescentes à vapeur de mercure Expired FR40998E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US497132A US1917848A (en) 1930-11-21 1930-11-21 Ultra-violet lamp

Publications (1)

Publication Number Publication Date
FR40998E true FR40998E (fr) 1932-09-17

Family

ID=23975600

Family Applications (1)

Application Number Title Priority Date Filing Date
FR40998D Expired FR40998E (fr) 1930-11-21 1931-11-20 Lampes luminescentes à vapeur de mercure

Country Status (4)

Country Link
US (1) US1917848A (fr)
DE (1) DE681065C (fr)
FR (1) FR40998E (fr)
GB (1) GB389904A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533732A (en) * 1938-01-28 1950-12-12 Westinghouse Electric Corp Food treating and storing refrigerator and method
US2434980A (en) * 1943-08-20 1948-01-27 Maxwell M Bilofsky Combination illuminating and sterilizing lamp
US2463743A (en) * 1945-12-29 1949-03-08 Nat Technical Lab Hydrogen tube
US4910044A (en) * 1985-09-30 1990-03-20 Semiconductor Energy Laboratory Co., Ltd. Ultraviolet light emitting device and application thereof

Also Published As

Publication number Publication date
GB389904A (en) 1933-03-30
DE681065C (de) 1939-09-13
US1917848A (en) 1933-07-11

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